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  • 24-04-2017
  • Mathematics
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if cos Theta < 0, which quadrent(s) could the terminal side of Theta lie?

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PsychrolutesMarcidus
PsychrolutesMarcidus PsychrolutesMarcidus
  • 24-04-2017
If cosΦ is lesser than zero (negative) it must be in quadrant 2 or 3 because cos is always positive in quadrants 1,4.
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